Home / 13,355,128.80-20,032,693.20-3,257,749.80

Finding the Fourth Proportional to 13,355,128.80, 20,032,693.20 and 3,257,749.80

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Solution

The fourth proportional to 13,355,128.80, 20,032,693.20 and 3,257,749.80 is: 4,886,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,128.80 : 20,032,693.20 = 3,257,749.80 : x
  2. Step 2: Convert to fraction form
    13,355,128.80/20,032,693.20 = 3,257,749.80/x
  3. Step 3: Cross multiply
    13,355,128.80x = 20,032,693.20 × 3,257,749.80
  4. Step 4: Simplify right side
    13,355,128.80x = 65,261,502,265,761.35
  5. Step 5: Solve for x
    x = 65,261,502,265,761.35/13,355,128.80
  6. Step 6: Final answer
    x = 4,886,624.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.